CN108155076A - A kind of permanent magnet mechanism - Google Patents
A kind of permanent magnet mechanism Download PDFInfo
- Publication number
- CN108155076A CN108155076A CN201810020160.0A CN201810020160A CN108155076A CN 108155076 A CN108155076 A CN 108155076A CN 201810020160 A CN201810020160 A CN 201810020160A CN 108155076 A CN108155076 A CN 108155076A
- Authority
- CN
- China
- Prior art keywords
- iron core
- dynamic iron
- operating position
- permanent magnet
- coil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 164
- 229910052742 iron Inorganic materials 0.000 claims description 19
- 238000010276 construction Methods 0.000 claims description 18
- 206010020651 Hyperkinesia Diseases 0.000 abstract description 3
- 208000000269 Hyperkinesis Diseases 0.000 abstract description 3
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 15
- 238000010586 diagram Methods 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
- H01H71/32—Electromagnetic mechanisms having permanently magnetised part
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/66—Power reset mechanisms
- H01H71/68—Power reset mechanisms actuated by electromagnet
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
Abstract
The invention discloses a kind of permanent magnet mechanisms, and including stator yoke, dynamic iron core, drive rod and permanent magnet, the stator yoke includes housing, upper end cover and bottom end cover;Coil, the first coil, the second coil, lower coil, the first magnetic guiding loop and the second magnetic guiding loop are equipped in the housing;The dynamic iron core is arranged in the housing in which can move up and down, and dynamic iron core is relative to specific first operating position of housing, the second operating position and third operating position.The present invention can move to the first operating position respectively by coil power control dynamic iron core by second, third operating position;Be not in the situation of dynamic iron core hyperkinesia, performance is stablized, and failure rate is low;And when moving, the pulling direction for the magnetic force that dynamic iron core is subject to is consistent with moving direction, and movement speed is fast, and Switch of working position is rapid, and working efficiency is high.
Description
Technical field
The invention belongs to electrical equipment technical field more particularly to a kind of permanent magnet mechanisms.
Background technology
Chinese patent CN102789928B discloses one kind《Driving mechanism》, including static iron core, dynamic iron core, upper driving line
Circle, permanent magnet and lower driving coil, dynamic iron core is mobile to be arranged in the dynamic iron core mobile space and with the first work
Position, the second operating position and third operating position.There are two permanent magnet mechanism substantially driving coils under this kind of structure, moves
Iron core is by same by the first operating position to the second operating position by third operating position to the first operating position and dynamic iron core
A coil drive, this can the following situation of outlet:Dynamic iron core is to make driving coil by third operating position to the first operating position
Be powered generate electromagnetic force, driving dynamic iron core movement, when dynamic iron core reach the first operating position when, only permanent magnet generate suction
Dynamic iron core is prevented to continue to move ahead, the electromagnetic force and inertia force that driving coil generates still drive dynamic iron core to continue to move ahead, so, it moves
Iron core is easy to cross the first operating position and goes directly the second operating position.Similar, when dynamic iron core is by the second operating position to
During one operating position, it is also possible to which dynamic iron core crosses the first operating position and goes directly third operating position.
And then the stability of permanent magnet mechanism is poor, when dynamic iron core is moved to the first operating position by the second operating position,
Easily there is dynamic iron core first motion to the situation of third operating position;Or when dynamic iron core is moved to by third operating position
During one operating position, easily there is dynamic iron core first motion to the situation of the second operating position, make so as to influence the normal of equipment
With in addition bring very big harm.
Invention content
In view of the above-mentioned problems, the present invention provides the permanent magnet mechanism that a kind of performance is stable, failure rate is low.
To achieve these goals, the present invention uses following technical scheme:A kind of permanent magnet mechanism including stator yoke, moves
Iron core, drive rod and permanent magnet, the stator yoke include housing, upper end cover and bottom end cover;Be equipped in the housing coil,
First coil, the second coil, lower coil, the first magnetic guiding loop between coil and the first coil and set on second
The second magnetic guiding loop between coil and lower coil;The dynamic iron core navigates in the housing in which can move up and down, and dynamic iron
Core has the first operating position, the second operating position and third operating position relative to housing;
When dynamic iron core is in the first operating position, the permanent magnet, dynamic iron core, the first magnetic guiding loop, housing form the first magnetic circuit;
The permanent magnet, dynamic iron core, the second magnetic guiding loop, housing form the second magnetic circuit, are stable states;
When dynamic iron core is in the second operating position, the permanent magnet, dynamic iron core, upper end cover, housing form third magnetic circuit, are steady
Determine state;
When dynamic iron core is in third operating position, the permanent magnet, dynamic iron core, bottom end cover, housing form the 4th magnetic circuit, are steady
Determine state;
When first coil is powered, the dynamic iron core is moved to the first work under the driving of magnetic force by third operating position
Make position;
When second coil is powered, the dynamic iron core is moved to the first work under the driving of magnetic force by the second operating position
Make position.
Specifically, if dynamic iron core makes first coil be powered, institute by third operating position to the first operating position
It states after dynamic iron core is moved to the first operating position under the driving of magnetic force by third operating position, inertia force can continue dynamic iron core
It moves ahead, but the electromagnetic force of the first coil generation and the suction of permanent magnet all can prevent dynamic iron core from continuing to move ahead, and stop dynamic iron core
In the first operating position;
It is similar, it is described dynamic if dynamic iron core by the second operating position to the first operating position, makes second coil be powered
After iron core is moved to the first operating position under the driving of magnetic force by the second operating position, before inertia force can continue dynamic iron core
Row, but the electromagnetic force of the second coil generation and the suction of permanent magnet all can prevent dynamic iron core from continuing to move ahead, and be parked in dynamic iron core
First operating position.
Four coils are provided in the present invention, the first working position is moved to by other two operating positions in control dynamic iron core
When putting, by being powered to realize to two coils respectively, after dynamic iron core is moved to coil position, what coil generated
The suction of electromagnetic force and permanent magnet can all prevent dynamic iron core from continuing to move ahead, into the situation without dynamic iron core hyperkinesia,
What guarantee dynamic iron core can be stablized rests on the first operating position, and performance is stablized, and failure rate is low.
And when moving, the pulling direction for the magnetic force that dynamic iron core is subject to is consistent with moving direction, compares documents
Middle magnetic force and the moving direction of dynamic iron core for for reversed situation, the movement speed of dynamic iron core faster, so as to three working positions
Switching between putting is more rapid, and working efficiency is high.
Further, the dynamic iron core includes dynamic iron core ontology, the first protrusion on dynamic iron core ontology, the second protrusion
And third protrusion;
When dynamic iron core is in the first operating position, the permanent magnet, the first protrusion, dynamic iron core ontology, the second protrusion, first are led
Magnet ring, housing form the first magnetic circuit;The permanent magnet, the first protrusion, dynamic iron core ontology, third protrusion, the second magnetic guiding loop, housing
Form the second magnetic circuit;
When dynamic iron core is in the second operating position, the permanent magnet, third protrusion, dynamic iron core ontology, the second protrusion, upper end
Lid, housing form third magnetic circuit;
When dynamic iron core is in third operating position, the permanent magnet, the second protrusion, dynamic iron core ontology third protrusion, bottom end cover,
Housing forms the 4th magnetic circuit.
Further, second protrusion and third protrusion are symmetricly set on first protrusion both sides;So as to dynamic iron core
For symmetrical structure, and then the magneticaction being subject on each operating position is more balanced, is further ensured that dynamic iron core can be steady
Surely it is maintained at each operating position.
Further, when the coil is powered, by under the electromagnetism power drive that the dynamic iron core is generated in coil
One operating position is moved to the second operating position;Dynamic iron core can quickly move to the second operating position, work under the pulling of magnetic force
Position switch speed is fast, and working efficiency is high.
Further, when the lower coil is powered, by under the electromagnetism power drive that the dynamic iron core is generated in lower coil
One operating position is moved to third operating position;Dynamic iron core can quickly move to third operating position, work under the pulling of magnetic force
Position switch speed is fast, and working efficiency is high.
Further, the permanent magnet is set between first coil and the second coil;When dynamic iron core is in
During the first operating position, ensure that permanent magnetism physical efficiency forms the magnetic line of force between the first magnetic guiding loop 15, the second magnetic guiding loop respectively, ensure dynamic
Iron core stabilization is rested on the first operating position, and structural stability is strong.
Further, magnetic conduction construction is equipped between the permanent magnet and the dynamic iron core;Permanent magnetism is realized by magnetic conduction construction
Magnetic force between body and dynamic iron core connects.
Further, the magnetic conduction construction is magnetic guiding loop.
Preferably, when the dynamic iron core is in the first operating position, the upper end of the dynamic iron core is at least partly penetrated to institute
It states in coil, the lower end of the dynamic iron core is at least partly penetrated to the lower coil;In this way when dynamic iron core is by the first work
Either working the starting current of coil or lower coil when converting to third to the second work can be much lower, energy-saving consumption-reducing.
In conclusion the beneficial effects of the invention are as follows:It can be by coil power control dynamic iron core by second, third work
Position moves to the first operating position respectively;Be not in the situation of dynamic iron core hyperkinesia, guarantee dynamic iron core can be stablized can
That leans on rests on the first operating position.
Description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is structure diagram when dynamic iron core of the present invention is in the first operating position.
Fig. 3 is structure diagram when dynamic iron core of the present invention is in the second operating position.
Fig. 4 is structure diagram when dynamic iron core of the present invention is in third operating position.
Specific embodiment
In order to which those skilled in the art is made to be better understood from the present invention program, below in conjunction in the embodiment of the present invention
Attached drawing carries out the technical solution in the embodiment of the present invention clear, complete description.
As shown in Figs 1-4, a kind of permanent magnet mechanism, it is described fixed including stator yoke, dynamic iron core 2, drive rod 3 and permanent magnet 4
Sub- yoke includes housing 1, upper end cover 5 and bottom end cover 6;The fixation of drive rod 3 is threaded through in the dynamic iron core 2, and drive rod 3
Both ends are pierced by respectively to upper end cover 5 and bottom end cover 6;Coil 11, the first coil 12, the second center line are equipped in the housing 1
Circle 13, lower coil 14, the first magnetic guiding loop 15 between coil and the first coil and set on the second coil with it is offline
The second magnetic guiding loop 16 between circle;The permanent magnet 4 is set between 12 and second coil 13 of the first coil, and described
Magnetic conduction construction 7 is equipped between permanent magnet 4 and the dynamic iron core 2, specifically, the magnetic conduction construction 7 is magnetic guiding loop;Shape in the housing
Into the space of cylindricality, the dynamic iron core 2 is arranged in the cylindrical space in which can move up and down, and dynamic iron core 2 is relative to shell
1 specific first operating position of body, the second operating position and third operating position.
Preferably, the dynamic iron core 2 includes dynamic iron core ontology 21, the first protrusion 22 on dynamic iron core ontology, the
Two protrusions 23 and third protrusion 24;First protrusion 22, the second protrusion 23 and third protrusion 24 with the dynamic iron core ontology
21 integrated moldings are made, and are directed out and extended to form by the side wall of dynamic iron core ontology 21;Further, first protrusion 22
Between the second protrusion 23 and third protrusion 24, and the second protrusion 23 and third protrusion 24 are convex to be symmetricly set on described first
On 22 both sides of portion so that dynamic iron core generally symmetrical structure.
As shown in Fig. 2, dynamic iron core is in the first operating position at this time, the first protrusion 22 and 7 mutual pairing of magnetic conduction construction (
Pairing herein can be fitting, coincidence, actuation or cooperation, and the description being hereinafter related to also looks like to be same), it is described
Second protrusion 23 and the 15 mutual pairing of the first magnetic guiding loop, the third protrusion 24 are mutually right with second magnetic guiding loop 16
It closes;And the upper end of the dynamic iron core 2 is at least partly penetrated to the coil 11, the lower end of the dynamic iron core 2 is at least partly
It penetrates to the lower coil 14;So that permanent magnet 4, magnetic conduction construction 7, the first protrusion 22, dynamic iron core ontology 21, second are convex
Portion 23, the first magnetic guiding loop 15, housing 1 form the first magnetic circuit closed;The permanent magnet 4, the first protrusion 22, moves magnetic conduction construction 7
Core body 21, third protrusion 24, the second magnetic guiding loop 16, housing 1 form the second magnetic circuit of closing, and dynamic iron core 2 is stablized the
On one operating position(Lines in figure are the magnetic line of force).
As shown in figure 3, dynamic iron core is in the second operating position, the second protrusion 23 and 5 mutual pairing of upper end cover at this time, it is described
Third protrusion 24 and the mutual pairing of magnetic conduction construction;So as to permanent magnet 4, magnetic conduction construction 7, third protrusion 24, dynamic iron core ontology 21, the
Two protrusions 23, upper end cover 5, housing 1 form the third magnetic circuit closed, and dynamic iron core 2 is stablized on the second operating position(In figure
Lines are the magnetic line of force).
As shown in figure 4, when dynamic iron core 2 is in third operating position, the third protrusion 24 is mutually right with bottom end cover 6
It closes, second protrusion 23 and 7 mutual pairing of magnetic conduction construction;So that permanent magnet 4, magnetic conduction construction 7, the second protrusion 23, dynamic
Core body 21, third protrusion 24, bottom end cover 6, housing 1 form the 4th magnetic circuit closed, and dynamic iron core 2 is stablized and is worked in third
On position(Lines in figure are the magnetic line of force).
When dynamic iron core needs are moved to by the first operating position on the second operating position, control coil 11 is powered, on
The magnetic line of force and the magnetic line of force direction of permanent magnet that coil 11 generates are on the contrary, when the magnetic force that coil 11 generates is produced more than permanent magnet 4
During raw magnetic force, dynamic iron moves upwards arrival upper end cover, and coil 11 powers off;The magnetic force that permanent magnet 4 generates at this time passes through magnetic conduction
Structure 7, dynamic iron core 2, upper end cover 5, housing 1 are formed into a loop, and reach stable state.
When dynamic iron core needs are returned to by the second operating position on the first operating position, the second coil 13 of control is powered,
The magnetic force that second coil 13 generates is with the magnetic line of force direction with permanent magnet on the contrary, when the magnetic force that the second coil 13 generates is more than
During the magnetic force that permanent magnet 4 generates, dynamic iron moves back down to the first operating position, and the second coil 13 powers off;Dynamic iron core is convex
The magnetic boots in portion can look for most stable of state automatically to be stopped, and the magnetic force that permanent magnet 4 generates at this time is by magnetic conduction construction 7, dynamic iron core
2nd, the first magnetic guiding loop 15, housing 1 form the first circuit, are formed by magnetic conduction construction 7, dynamic iron core 2, the second magnetic guiding loop 16, housing 1
First circuit, reaches stable state.
When dynamic iron core needs are returned to by the first operating position on third operating position, control lower coil 14 is powered, offline
The magnetic force that circle 14 generates is with the magnetic line of force direction with permanent magnet on the contrary, when the magnetic force that lower coil 14 generates is generated more than permanent magnet 4
Magnetic force when, dynamic iron, which moves downward, reaches bottom end cover 6, and lower coil 14 powers off;The magnetic force that permanent magnet 4 generates at this time passes through magnetic conduction knot
Structure 7, dynamic iron core 2, bottom end cover 6, housing 1 are formed into a loop, and reach stable state.
When dynamic iron core needs are returned to by third operating position on the first operating position, the first coil 12 of control is powered,
The magnetic force that first coil 12 generates is with the magnetic line of force direction with permanent magnet on the contrary, when the magnetic force that the first coil 12 generates is more than
During the magnetic force that permanent magnet 4 generates, dynamic iron, which moves upwards, returns to the first operating position, and the first coil 12 powers off;Dynamic iron core is convex
The magnetic boots in portion can look for most stable of state automatically to be stopped, and the magnetic force that permanent magnet 4 generates at this time is by magnetic conduction construction 7, dynamic iron core
2nd, the first magnetic guiding loop 15, housing 1 form the first circuit, are formed by magnetic conduction construction 7, dynamic iron core 2, the second magnetic guiding loop 16, housing 1
First circuit, reaches stable state.
Obviously, described embodiment is only the part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment should all belong to the scope of protection of the invention.
Claims (9)
1. a kind of permanent magnet mechanism, including stator yoke, dynamic iron core(2), drive rod(3)And permanent magnet(4), the stator yoke packet
Include housing(1), upper end cover(5)And bottom end cover(6);It is characterized in that:The housing(1)It is interior to be equipped with coil(11), in first
Coil(12), the second coil(13), lower coil(14), the first magnetic guiding loop(15)And second magnetic guiding loop(16);The dynamic iron core
(2)It is arranged in the housing with can moving up and down(1)It is interior, and dynamic iron core(2)Relative to housing(1)With the first operating position,
Second operating position and third operating position;
When dynamic iron core is in the first operating position, the permanent magnet(4), dynamic iron core(2), the first magnetic guiding loop(15), housing shape
Into the first magnetic circuit;The permanent magnet(4), dynamic iron core(2), the second magnetic guiding loop(16), housing(1)Form the second magnetic circuit;
When dynamic iron core is in the second operating position, the permanent magnet(4), dynamic iron core(2), upper end cover(5), housing(1)It is formed
Third magnetic circuit;
When dynamic iron core is in third operating position, the permanent magnet(4), dynamic iron core(2), bottom end cover(6), housing(1)It is formed
4th magnetic circuit;
When first coil(13)During energization, the dynamic iron core(2)It is moved under the driving of magnetic force by third operating position
To the first operating position;
When second coil(14)During energization, the dynamic iron core(2)It is moved under the driving of magnetic force by the second operating position
To the first operating position.
2. permanent magnet mechanism according to claim 1, it is characterised in that:The dynamic iron core(2)Including dynamic iron core ontology(21)、
The first protrusion on dynamic iron core ontology(22), the second protrusion(23)And third protrusion(24);
When dynamic iron core is in the first operating position, the permanent magnet(4), the first protrusion(22), the second protrusion(23), first lead
Magnet ring(15), housing(1)Form the first magnetic circuit;The permanent magnet(4), the first protrusion(22), third protrusion(24), the second magnetic conduction
Ring(16), housing(1)Form the second magnetic circuit;
When dynamic iron core is in the second operating position, the permanent magnet(4), third protrusion(24), the second protrusion(23), upper end cover
(5), housing(1)Form third magnetic circuit;
When dynamic iron core is in third operating position, the permanent magnet(4), the second protrusion(23), third protrusion(24), bottom end cover
(6), housing(1)Form the 4th magnetic circuit.
3. permanent magnet mechanism according to claim 1 or 2, it is characterised in that:Second protrusion(23)With third protrusion
(24)It is symmetricly set on first protrusion(22)Both sides.
4. permanent magnet mechanism according to claim 1 or 2, it is characterised in that:When the coil(11)It is described dynamic during energization
Iron core(2)The second operating position is moved to by the first operating position under the driving of magnetic force.
5. permanent magnet mechanism according to claim 1 or 2, it is characterised in that:When the lower coil(14)It is described dynamic during energization
Iron core(2)Third operating position is moved to by the first operating position under the driving of magnetic force.
6. permanent magnet mechanism according to claim 1 or 2, it is characterised in that:The permanent magnet(4)Set on first center line
Circle(12)With the second coil(13)Between.
7. permanent magnet mechanism according to claim 1 or 2, it is characterised in that:The permanent magnet(4)With the dynamic iron core(2)
Between be equipped with magnetic conduction construction(7).
8. permanent magnet mechanism according to claim 7, it is characterised in that:The magnetic conduction construction(7)For magnetic guiding loop.
9. permanent magnet mechanism according to claim 1, it is characterised in that:The dynamic iron core(2)During in the first operating position,
The dynamic iron core(2)Upper end at least partly penetrate to the coil(11)It is interior, the dynamic iron core(2)Lower end at least partly
It penetrates to the lower coil(14)It is interior.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN2018200213302 | 2018-01-07 | ||
CN201820021330 | 2018-01-07 |
Publications (1)
Publication Number | Publication Date |
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CN108155076A true CN108155076A (en) | 2018-06-12 |
Family
ID=62461061
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CN201820034988.7U Expired - Fee Related CN207731887U (en) | 2018-01-07 | 2018-01-09 | A kind of permanent magnet mechanism |
CN201810020160.0A Pending CN108155076A (en) | 2018-01-07 | 2018-01-09 | A kind of permanent magnet mechanism |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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CN201820034988.7U Expired - Fee Related CN207731887U (en) | 2018-01-07 | 2018-01-09 | A kind of permanent magnet mechanism |
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CN (2) | CN207731887U (en) |
Families Citing this family (1)
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CN207731887U (en) * | 2018-01-07 | 2018-08-14 | 浙江宝威电气有限公司 | A kind of permanent magnet mechanism |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101789318A (en) * | 2010-03-30 | 2010-07-28 | 西安交通大学 | Novel bistable permanent magnetic actuator capable of increasing instantaneous opening speed |
CN102610407A (en) * | 2011-11-25 | 2012-07-25 | 中国西电电气股份有限公司 | Three-station bistable permanent magnet mechanism |
CN102789928A (en) * | 2012-07-27 | 2012-11-21 | 北京电研华源电力技术有限公司 | Driving mechanism |
CN102983017A (en) * | 2012-11-27 | 2013-03-20 | 北京电研华源电力技术有限公司 | Three-position switch |
CN205645579U (en) * | 2016-04-18 | 2016-10-12 | 泉州亿兴电力有限公司 | Three -stable state permanent magnetic mechanism |
CN207731887U (en) * | 2018-01-07 | 2018-08-14 | 浙江宝威电气有限公司 | A kind of permanent magnet mechanism |
-
2018
- 2018-01-09 CN CN201820034988.7U patent/CN207731887U/en not_active Expired - Fee Related
- 2018-01-09 CN CN201810020160.0A patent/CN108155076A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101789318A (en) * | 2010-03-30 | 2010-07-28 | 西安交通大学 | Novel bistable permanent magnetic actuator capable of increasing instantaneous opening speed |
CN102610407A (en) * | 2011-11-25 | 2012-07-25 | 中国西电电气股份有限公司 | Three-station bistable permanent magnet mechanism |
CN102789928A (en) * | 2012-07-27 | 2012-11-21 | 北京电研华源电力技术有限公司 | Driving mechanism |
CN102983017A (en) * | 2012-11-27 | 2013-03-20 | 北京电研华源电力技术有限公司 | Three-position switch |
CN205645579U (en) * | 2016-04-18 | 2016-10-12 | 泉州亿兴电力有限公司 | Three -stable state permanent magnetic mechanism |
CN207731887U (en) * | 2018-01-07 | 2018-08-14 | 浙江宝威电气有限公司 | A kind of permanent magnet mechanism |
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Title |
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闵伟等: ""三稳态永磁操动机构原理与应用"", 《微特电机》 * |
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Application publication date: 20180612 |
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